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A modern heat pump with a variable speed compressor can be more efficient than resistive heat down to about -25 degrees Celsius (-13F). See Mitsubishi's Mr. Sli
by g8oz 8y ago
A modern heat pump with a variable speed compressor can be more efficient than resistive heat down to about -25 degrees Celsius (-13F). See Mitsubishi's Mr. Slim series.
http://cdn.agilitycms.com/mesca/productdownloads/mem-201806-e-p-series.pdf http://cdn.agilitycms.com/mesca/productdownloads/mem-201806-... (page 13)
- tigershark 8y agoAnd if you use a ground source heat pump (that has to be interred) it would be even more efficient. So? I don’t think that you can put either of them in a car...
- g8oz 8y agoThe offerings from Mitsubishi and similar ones from other Asian manufacturers like LG and Fujitsu are air source heat pumps. I see no reason why the tech can't be scaled down to fit a car. It's certainly a reasonable goal for auto parts suppliers to aim at.